How do some predatory sharks find their prey?
A) They are attracted to vibrations in the water.
B) They use their keen sense of smell.
C) They use sensitive organs underneath their skin.
D) All of these choices
D
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Grasses and fast-growing trees like poplars are planted on _____________ plantations to provide fuel for power plants.
Fill in the blank(s) with the appropriate word(s).
In general the percentage of Muslims in the population of Africa South of the Sahara declines from
A. south to north B. east to west C. west to east D. north to south
Summarize the three evolutionary advances that have led to the success of the arthropods. What will be an ideal response?
The Ekman spiral affects the direction of near surface water movement. If you lowered a current-measuring device over the side of a ship in the northern hemisphere, what would you observe?
a) Subsurface water would all be moving to the right of the wind direction. b) Subsurface water would all be moving to the left of the wind direction. c) Subsurface water would be sinking. d) As the instrument descended, the current direction would move progressively to the left of the wind until it actually was going in the opposite direction, and at greater depth it would move to the right. e) As the instrument descended, the current direction would move progressively to the right of the wind until it actually was going in the opposite direction, and at greater depth it would move to the left.